Home / 79,225,050.78-109,350,018.63-48,302,270.46

Finding the Fourth Proportional to 79,225,050.78, 109,350,018.63 and 48,302,270.46

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Solution

The fourth proportional to 79,225,050.78, 109,350,018.63 and 48,302,270.46 is: 66,668,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,050.78 : 109,350,018.63 = 48,302,270.46 : x
  2. Step 2: Convert to fraction form
    79,225,050.78/109,350,018.63 = 48,302,270.46/x
  3. Step 3: Cross multiply
    79,225,050.78x = 109,350,018.63 × 48,302,270.46
  4. Step 4: Simplify right side
    79,225,050.78x = 5,281,854,174,672,299
  5. Step 5: Solve for x
    x = 5,281,854,174,672,299/79,225,050.78
  6. Step 6: Final answer
    x = 66,668,990.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.